Home / 17,451.90-26,188.61-6,920.15

Finding the Fourth Proportional to 17,451.90, 26,188.61 and 6,920.15

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Solution

The fourth proportional to 17,451.90, 26,188.61 and 6,920.15 is: 10,384.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,451.90 : 26,188.61 = 6,920.15 : x
  2. Step 2: Convert to fraction form
    17,451.90/26,188.61 = 6,920.15/x
  3. Step 3: Cross multiply
    17,451.90x = 26,188.61 × 6,920.15
  4. Step 4: Simplify right side
    17,451.90x = 181,228,943.95
  5. Step 5: Solve for x
    x = 181,228,943.95/17,451.90
  6. Step 6: Final answer
    x = 10,384.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.